tea1507p-n1 NXP Semiconductors, tea1507p-n1 Datasheet - Page 13

• Manufacturer Part Number: tea1507p-n1
• Description: Greenchipii Smps Control Ic
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
A converter with the TEA1507 consists of an input filter, a
transformer with a third winding (auxiliary), and an output
stage with a feedback circuit.
Capacitor C
IC, which is powered via the high voltage rectified mains
2000 Dec 05
handbook, full pagewidth
GreenChip II SMPS control IC
VCC
(at pin 1) buffers the supply voltage of the
V mains
C CTRL
R CTRL
C VCC
Fig.10 Flyback configuration with secondary sensing.
CTRL
GND
DEM
V CC
1
2
3
4
TEA1507
R DEM
C i
8
7
6
5
DRAIN
HVS
DRIVER
I sense
13
during start-up and via the auxiliary winding during
operation.
A sense resistor converts the primary current into a
voltage at pin I
defines the maximum primary peak current.
An application note is available: AN00047.
n.c.
R sense
power
MOSFET
N aux
N p
sense
N s
(pin 5). The value of this sense resistor
C o
V o
MGU238
Preliminary specification
TEA1507